[Bug 857567] Re: No data for Africa/Cairo 2011

[Benjamin Drung]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

I compared the upstream release 2011d to 2011j and found the relevant
change:
https://github.com/eggert/tz/commit/7bf85c80a63f31e97134d75313736b792bcd94c6

According to that commit Egypt abandoned DST in 2011. So not having any
offset change (caused by DST) for 2011 is correct. Let me know in case
this DST change did not happen in 2011.

** Changed in: tzdata (Ubuntu)
       Status: New => Invalid

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Title:
  No data for Africa/Cairo 2011

Status in tzdata package in Ubuntu:
  Invalid

Bug description:
  It doesn't look like the tzdata is up-to-date despite being the most
  up-to-date Ubuntu package.

  Debian 6 contains data for 2011
  debian6$ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2011
  /usr/share/zoneinfo/Africa/Cairo  Thu Apr 28 21:59:59 2011 UTC = Thu Apr 28 23:59:59 2011 EET isdst=0 gmtoff=7200
  /usr/share/zoneinfo/Africa/Cairo  Thu Apr 28 22:00:00 2011 UTC = Fri Apr 29 01:00:00 2011 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep 29 20:59:59 2011 UTC = Thu Sep 29 23:59:59 2011 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep 29 21:00:00 2011 UTC = Thu Sep 29 23:00:00 2011 EET isdst=0 gmtoff=7200

  No data for for 2011
  ubuntu10.04$ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2011

  But contains data for 2010:
  ubuntu10.04$ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2010
  /usr/share/zoneinfo/Africa/Cairo  Thu Apr 29 21:59:59 2010 UTC = Thu Apr 29 23:59:59 2010 EET isdst=0 gmtoff=7200
  /usr/share/zoneinfo/Africa/Cairo  Thu Apr 29 22:00:00 2010 UTC = Fri Apr 30 01:00:00 2010 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Tue Aug 10 20:59:59 2010 UTC = Tue Aug 10 23:59:59 2010 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Tue Aug 10 21:00:00 2010 UTC = Tue Aug 10 23:00:00 2010 EET isdst=0 gmtoff=7200
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep  9 21:59:59 2010 UTC = Thu Sep  9 23:59:59 2010 EET isdst=0 gmtoff=7200
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep  9 22:00:00 2010 UTC = Fri Sep 10 01:00:00 2010 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep 30 20:59:59 2010 UTC = Thu Sep 30 23:59:59 2010 EEST isdst=1 gmtoff=10800
  /usr/share/zoneinfo/Africa/Cairo  Thu Sep 30 21:00:00 2010 UTC = Thu Sep 30 23:00:00 2010 EET isdst=0 gmtoff=7200

  The one that works:
  debian6$ dpkg -s tzdata
  Package: tzdata
  Status: install ok installed
  Priority: required
  Section: libs
  Installed-Size: 6308
  Maintainer: GNU Libc Maintainers <debian-glibc at lists.debian.org>
  Architecture: all
  Version: 2011d-0squeeze1
  Doesn't work:

  ubuntu10.04$ dpkg -s tzdata
  Package: tzdata
  Status: install ok installed
  Priority: required
  Section: libs
  Installed-Size: 6244
  Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
  Architecture: all
  Version: 2011j-0ubuntu0.10.04

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